This sound is from Knock Knock Trailer

The "Knock Knock" trailer is an absolutely thrilling preview of an intense psychological horror film directed by Eli Roth. Released in 2015, the movie stars Keanu Reeves as Evan, a devoted family man whose life takes a dark turn when two beautiful strangers, played by Lorenza Izzo and Ana de Armas, unexpectedly arrive at his doorstep during a stormy night. As the night unfolds, their innocent game of seduction evolves into a twisted nightmare that Evan struggles to escape from.

If you're a fan of heart-stopping suspense and spine-chilling horror, the "Knock Knock" trailer will surely leave you wanting more. You can experience the suspenseful sounds and captivating visuals of this highly acclaimed film by playing and downloading the trailer soundtrack right here. Brace yourself for a wild ride into the depths of madness that "Knock Knock" delivers.